Home / 754,825.60-1,131,305.28-380,644.48

Finding the Fourth Proportional to 754,825.60, 1,131,305.28 and 380,644.48

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Solution

The fourth proportional to 754,825.60, 1,131,305.28 and 380,644.48 is: 570,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,825.60 : 1,131,305.28 = 380,644.48 : x
  2. Step 2: Convert to fraction form
    754,825.60/1,131,305.28 = 380,644.48/x
  3. Step 3: Cross multiply
    754,825.60x = 1,131,305.28 × 380,644.48
  4. Step 4: Simplify right side
    754,825.60x = 430,625,110,026.85
  5. Step 5: Solve for x
    x = 430,625,110,026.85/754,825.60
  6. Step 6: Final answer
    x = 570,496.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.